Home / 9,911.20-14,868.96-4,070.56

Finding the Fourth Proportional to 9,911.20, 14,868.96 and 4,070.56

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Solution

The fourth proportional to 9,911.20, 14,868.96 and 4,070.56 is: 6,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.20 : 14,868.96 = 4,070.56 : x
  2. Step 2: Convert to fraction form
    9,911.20/14,868.96 = 4,070.56/x
  3. Step 3: Cross multiply
    9,911.20x = 14,868.96 × 4,070.56
  4. Step 4: Simplify right side
    9,911.20x = 60,524,993.82
  5. Step 5: Solve for x
    x = 60,524,993.82/9,911.20
  6. Step 6: Final answer
    x = 6,106.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.